Is $sqrt(0)$ undefined or $0$ itself?

Question

13259 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-09-27T13:04:25

Definition of square root is what number multiplied by itself will give you the number within the square root function.

$0 xx 0 = 0$

Therefore

$sqrt(0) = 0$

Is sqrt(0)sqrt(0) *undefined* or 00 itself?